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December 2002 TOSHIBA TEC 4 - 77 e-STUDIO160/200/250 TROUBLESHOOTING
(19) Moire/lack of sharpness
Step
1
2
Cause/Defect area
Density reproduction
Parameter adjustment
value
Measures
Adjust density.
Check adjustment value for sharpness.
Check items
Image density reproduction de-
fect?
Check image processing param-
eters.
Feeding direction
Moire
Step
1
2
3
Cause/Defect area
Density reproduction
Parameter adjustment
value
Print section
Measures
Adjust density.
Check adjustment value for sharpness.
Check the above encircled area A and B, and
change the sharpness intensity in the sharp-
ness adjustment mode.
Check items
Image density reproduction de-
fect?
Check image processing param-
eters.
Adjust image processing param-
eters.
Lack of sharpness
B
A